554419-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 554419-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,4,4,1 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 554419-04:
(8*5)+(7*5)+(6*4)+(5*4)+(4*1)+(3*9)+(2*0)+(1*4)=154
154 % 10 = 4
So 554419-04-4 is a valid CAS Registry Number.
554419-04-4Relevant articles and documents
PROCESS FOR PRODUCING PHENYLALANINE DERIVATIVE HAVING QUINAZOLINEDIONE SKELETON AND INTERMEDIATE FOR THE SAME
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Page/Page column 13, (2010/02/14)
The present invention provides a method for producing a phenylalanine derivative(s) having a quinazolinedione ring of formula (5), including steps comprising of:reacting an acylphenylalanine derivative(s) of formula (1) with a carbonyl group-introducing r